Spring-shank for boots or shoes



(No Model.)

0. E. ANDREWS.

SPRING SHANK FOR BOOTS 0R SHOES.

FIG.1.

Smm. 622-12 in AKKMWQA N. FETER& Fholo-Uthognpher. Walhingfon. D. C.

UNITED STATES PATENT OFFICE.

CHARLES E. ANDREWVS, OF BOSTON, MASSACHUSETTS.

SPRING-SHANK FOR BOOTS OR SHOES.

SPECIFICATION forming part of Letters Patent No. 324,065, dated August11, 1885.

Application filed December 20, 1884.

To all whom it may concern.-

Be it known that I, CHARLES E. ANDREWS, a citizen of the United States,residing at Boston, in the county of Suffolk and State of Massachusetts,have invented a new and useful Improvement in Spring-Shanks for Boots orShoes, of which the following is a specification.

The object of my invention is to provide a means for imparting anelasticity to the tread of the foot in a boot or shoe while walking, andalso for supporting the shank of the foot.

The invention consists in the employment of a double V-spring placed inthe shank and heel of a boot or shoe and secured to the inner sole ofthe same. The said springis composed of a semi-elliptic portion havingone end free, and secured at its other end to a flat metal bar or strap,and secured to the inner sole of the boot or shoe.

Referring to the accompanying drawings, Figure 1 represents a shoepartially in section, and showing my invention in place in a shoe. Fig.2 is a perspective view of the spring.

A represents a shoe, aportion being broken away. Bis the inner and O theouter sole, and D is the he 1. Between the inner sole, B, and outersole, 0, is placed a double V- spring, composed of a semi-ellipticportion, E, riveted at one end, 0, to a metal bar or strap, F. To theouter or free end of the strap F is riveted one end, G, of the inner V-spring, the other end, H, being left free, so as to bear upon or againstthe semi-elliptic spring E. This double V-spring is secured between theinner sole, B, and outer sole,

walking.

(No model.)

C, by means of a rivet, f, passing through the shank of the inner sole,B, and through a hole, f, in the forward ends of the bar F and thesemi-elliptic spring E, after which it is riveted over, as shown in Fig.1.

It will be seen that by the insertion of the spring between the innerand outer soles the outer sole will be caused to bulge out at the heel,so that in putting on the heel it will be necessary to first put on twoor more split lifts, d d, in order to bring the rear and sides of theheel to a level with the center, atter which the heel is made up in theusual manner.

The bar or strap E is made to conform to the contourof the inner sole,so that the latter will always retain its form, while at the same timeit will be free to yield slightly as the shoe touches the ground whilethe wearer is For children or ladies or persons of light weight theinner V-spring may be dispensed with,and a singleleaf may be inserted inplac of the inner V-spring.

What I claim as my invention is The combination, with a boot or shoesole. of a spring, E, attached at one end to the end of a bar or strap,F, and the interposed V- spring G H, substantially as and for thepurpose set forth.

In testimony whereof Ihave signed my name to this specification in thepresence of two subscribing witnesses.

CHARLES E. ANDREWS.

Witnesses:

J. H. ADAMS, E. PLANTA.

